Just what is a human being? Who counts? The answers to these questions are crucial when one is faced with the ethical issue of taking human life. In this affirmation of the intrinsic personal dignity and inviolability of every human individual, John Kavanaugh, S. J., denies that it can ever be moral to intentionally kill another.

Today in every corner of the world men and women are willing to kill others in the name of "realism" and under the guise of race, class, quality of life, sex, property, nationalism, security, or religion. We justify these killings by either excluding certain...